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Great Valley Museum and Planetarium: A Central Valley Treasure

Explore California's natural heritage and the cosmos at Modesto's Great Valley Museum and Planetarium: A journey of discovery for all ages on the MJC West Campus.

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The Great Valley Museum and Planetarium, nestled on the west campus of Modesto Junior College, offers a captivating journey through the natural history of California's Central Valley and beyond. With its diverse exhibits, including live animal displays, meticulously recreated habitat dioramas, and an immersive planetarium experience, the museum provides an enriching educational experience for visitors of all ages. Explore the wonders of the night sky, discover the unique ecosystems of the region, and engage with interactive displays that bring science to life. From the Science on a Sphere exhibit showcasing real-time global events to the Discovery Room filled with hands-on activities, the museum promises an unforgettable adventure for families, students, and science enthusiasts alike. Don't miss the opportunity to explore this hidden gem and uncover the natural treasures of the Central Valley.

A brief summary to Great Valley Museum and Planetarium

  • Wednesday 9 am-3 pm
  • Thursday 9 am-3 pm
  • Friday 9 am-3 pm
  • Saturday 9 am-3 pm

Local tips

  • Check the museum's website for the planetarium show schedule, as showtimes and topics vary and are not recommended for children under 5.
  • Attend "Science Night at the Museum" on the first Friday of select months for evening access to exhibits, planetarium shows, and telescope viewings.
  • Explore the interactive periodic table exhibit to learn about the elements and see real samples.
  • Visit the Discovery Room for hands-on activities and to see live animals, including snakes and tarantulas.
  • Take advantage of the free StanRTA bus Route 34 that runs between MJC East and West Campus.
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Getting There

  • Driving

    From downtown Modesto, head west on CA-132/9th Street. Continue onto Carpenter Road. Turn right onto Blue Gum Avenue. The museum is located in the Science Community Center on the MJC West Campus. Parking is available in the campus lots. Check signage for student vs. staff parking. Parking is free on weekends. During the week, a daily parking ticket may be purchased from parking ticket dispensers for $2.00.

  • Public Transport

    Several Stanislaus Regional Transit Authority (StanRTA) bus routes serve the MJC West Campus. From the Modesto Transit Center, take Route 33 and get off at the Woodland Ave & Shasta Ave stop, a short walk from the Science Community Center. Alternatively, take Route 34, a direct route between MJC East and West Campus, and get off at the Blue Gum Avenue & Prichard Avenue stop. Check the StanRTA website for current schedules and route information. Students can ride the "S" for free by showing their student ID.

  • Walking

    From elsewhere on the MJC West Campus, follow the campus walkways towards the Science Community Center on Blue Gum Avenue. The museum entrance is located on the first floor. Use the campus map for detailed navigation.

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Discover more about Great Valley Museum and Planetarium

The Great Valley Museum and Planetarium, located on the west campus of Modesto Junior College (MJC), is a captivating destination that brings the wonders of science and nature to life. This multifaceted institution combines a natural history museum with a state-of-the-art planetarium, offering visitors an enriching and educational experience that explores the unique ecosystems of California's Central Valley and the vast expanse of the universe. The museum's exhibits are thoughtfully designed to showcase the diverse habitats of the Central Valley, including riparian areas, alkali sinks, oak woodlands, vernal pools, and grasslands. These meticulously recreated dioramas feature over 200 taxidermied specimens and artifacts, providing an up-close look at the plants and animals that call this region home. Visitors can observe native species such as elk, pronghorn, mountain lions, and various bird species, gaining a deeper understanding of the interconnectedness of life in these ecosystems. In addition to its habitat displays, the Great Valley Museum also features exhibits on the Indigenous Me-Wuk and Yokut tribes who have inhabited the Central Valley for thousands of years. These exhibits showcase Native American artifacts and provide insights into the rich cultural heritage of the region's first inhabitants. Please note that this exhibit is currently under consultation with local tribes to ensure respectful treatment of cultural items. One of the museum's most popular attractions is the Science on a Sphere exhibit, a room-sized global display system that projects visualizations of planetary data onto a six-foot diameter sphere. This immersive exhibit, produced by the National Oceanic and Atmospheric Administration (NOAA), allows visitors to explore Earth system science in a dynamic and engaging way, showcasing real-time worldwide events such as earthquakes, hurricanes, and ocean currents. For hands-on learning, the museum's Discovery Room offers a variety of interactive activities and materials for children of all ages. This room also houses a collection of live animals, including snakes, tarantulas, and skinks, providing visitors with the opportunity to observe and learn about these fascinating creatures up close. During special events, museum staff and volunteers often bring out their "museum ambassadors" for even more personal encounters. The William R. Luebke Planetarium is another highlight of the Great Valley Museum, offering visitors a chance to explore the wonders of the night sky and the vastness of the universe. The planetarium features a state-of-the-art projection system that displays stunning images of stars, planets, and galaxies onto a 40-foot suspended dome ceiling. Regularly scheduled planetarium shows, designed for a variety of age groups, take audiences on immersive journeys through space, exploring topics such as the solar system, dark matter, and the origins of the universe. The planetarium also showcases the artistic talents of MJC art professor Dr. Richard Serros, who created the twelve constellation star charts that adorn the outside of the building. These hand-drawn images, digitized and engraved on metal panels, feature LED lights that illuminate the primary stars in each constellation, allowing visitors to view Dr. Serros' conception of the constellations during the day and the actual star patterns at night. The Great Valley Museum and Planetarium is not only a valuable resource for the community but also serves as a learning laboratory for MJC students studying astronomy and other sciences. The museum hosts school group tours, classroom outreach programs, and a variety of science programs that travel to schools, promoting science literacy and inspiring the next generation of scientists and explorers. For those seeking a unique and engaging experience, the museum hosts "Science Night at the Museum" on the first Friday of each month (excluding May, September, and January). This popular event offers extended evening hours, allowing visitors to explore the museum's exhibits, catch a show in the planetarium, and enjoy free telescope viewings offered by the MJC Astronomy Club on the top level of the Science Community Center. The Great Valley Museum and Planetarium is a true gem of the Central Valley, offering a blend of education, entertainment, and inspiration for visitors of all ages. Whether you're a science enthusiast, a nature lover, or simply looking for a fun and engaging family outing, this museum is sure to spark your curiosity and leave you with a newfound appreciation for the wonders of the natural world and the universe beyond.

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